21062427

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{491}}^1$

素因数の和:754

約数の個数: 16

約数和(自身を含む): 28654080

約数和(自身を除く): 7591653

約数列:

[1, 3, 79, 181, 237, 491, 543, 1473, 14299, 38789, 42897, 88871, 116367, 266613, 7020809, 21062427]

約数ペア:

[(1, 21062427), (3, 7020809), (79, 266613), (181, 116367), (237, 88871), (491, 42897), (543, 38789), (1473, 14299)]